G4656–σκοτόω–skotoō

Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:

ἐσκοτωμένοι eskotōmenoi “darkened”

And he opened the bottomless pit; and there arose a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit.

ἐσκοτώθη eskotōthē “was darkened”

And the fifth angel poured out his vial upon the seat of the beast; and his kingdom was full of darkness; and they gnawed their tongues for pain,

ἐσκοτωμένη, eskotōmenē “darkened,”